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ANALISA TINGKAT BAHAYA EROSI PADA SUB DAS LESTI KABUPATEN MALANG MENGGUNAKAN SISTEM INFORMASI GEOGRAFIS

PRASETYO, BANGKIT (2013) ANALISA TINGKAT BAHAYA EROSI PADA SUB DAS LESTI KABUPATEN MALANG MENGGUNAKAN SISTEM INFORMASI GEOGRAFIS. Other thesis, University of Muhammadiyah Malang.

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Abstract

Sub DAS Lesti is a part of Brantas watershed that located at upstream section and a sub DAS priority. That has 61.491,02 ha of water catchment areas. Hydrological processes that occur in a watershed is closely related to erosion. The alteration of land use and watershed management is one of the factors causing soil damage, accelerate the erosion rate, and cause erosion. Based on the condition of that case, this study analyzes about how much the erosion rate, the amount of erosion, and to estimate the level of erosion that will occur. MUSLE method is one of the methods used to determine the magnitude of the erosion rate, that use an approach of runoff factor. Geographic Information Systems (GIS) used for the management and data processing. Geographic Information Systems is a spatially information technology that generate digital data which can gives the area characteristics, and illustrates the potential of soil damage. The level of erotion hazard of Sub DAS Lesti for very weight categories reach 52,775% of the all of area, while in the medium categories reach 20,413%, in heavy categories reach 18,597%, light categories reach (7,082%), and very light categories reach (1,132%)

Item Type: Thesis (Other)
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering > Department of Civil Engineering (22201)
Depositing User: Halimatus Zahroh
Date Deposited: 27 Jan 2015 06:46
Last Modified: 27 Jan 2015 06:46
URI : http://eprints.umm.ac.id/id/eprint/15269

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